import config from '@/config'
import { getToken,getUser } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { toast, showConfirm, tansParams, } from '@/utils/common'
import { RequestConfig, ResponseData } from '@/types/request'
import useUserStore from '@/store/modules/user'
let timeout = 10000
const baseUrl = config.baseUrl

const request = <T>(config : RequestConfig) : Promise<ResponseData<T>> => {
	// 是否需要设置 token
	const isToken = (config.headers || {}).isToken === false
	config.header = config.header || {}
	if (getToken() && !isToken) {
		config.header['Authorization'] = 'Bearer ' + getToken()
	}
	// get请求映射params参数
	if (config.params) {
		let url = config.url + '?' + tansParams(config.params)
		url = url.slice(0, -1)
		config.url = url
	}
	return new Promise((resolve, reject) => {
		uni.request({
			method: config.method || 'GET',
			timeout: config.timeout || timeout,
			url: config.baseUrl || baseUrl + config.url,
			data: config.data,
			header: config.header,
			dataType: 'json'
		}).then(response => {
			
			/* let [error, res] = response
			 if (error) {
			   toast('后端接口连接异常')
			   reject('后端接口连接异常')
			   return
			 } */
			const res = response
			const data : ResponseData<T> = res.data as ResponseData<T>
			const code = data.code || 200
			// @ts-ignore
			const msg : string = errorCode[code] || data.msg || errorCode['default']
			if (code === 401) {
				showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then(res => {
					if (res.confirm) {
						useUserStore().logOut().then(res => {
							uni.reLaunch({ url: '/pages/login' })
						})


					}
				})
				reject('无效的会话，或者会话已过期，请重新登录。')
			} else if (code === 500) {
				toast(msg)
				reject('500')
			} else if (code !== 200) {
				toast(msg)
				reject(code)
			}
			resolve(data)
			
			
		})
			.catch(error => {
				let { message } = error
				if (message === 'Network Error') {
					message = '后端接口连接异常'
				} else if (message.includes('timeout')) {
					message = '系统接口请求超时'
				} else if (message.includes('Request failed with status code')) {
					message = '系统接口' + message.substr(message.length - 3) + '异常'
				}
				toast(message)
				reject(error)
			})
		
		
	})
	
}

export default request